'I'm gonna be there, that's all I have to say,' she told reporters during a brief gaggle at campaign stop in Ohio.

Her rival, Donald Trump, previously hinted that he may skip the presidential debates because two of the three clashed with National Football League games.

The GOP nominee said the schedule, decided upon a year ago, is 'unacceptable' and accused the Democrats of rigging the timetable.

He told ABC News: 'I'll tell you what I don't like. It's against two NFL games. This is ridiculous.'

Clinton countered him today as she talked to reporters while she was at Grandpa's Cheesebarn in Ashland on her way to Columbus from Cleveland. 'There's a non-partisan independent commission that sets up the debates, right? And I was told they set up a schedule last fall,' she said.

'And neither campaign, because who knew it, we didn't know who the nominees were going to be, were involved,' she articulated.

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Hillary Clinton told reporters today that she would be at all three scheduled debate, countering Donald Trump's reluctance to appear on nights when there are also National Football League games

Donald Trump has said he may skip the presidential debates - because they clash with NFL games. He made his anger known with this tweet on Friday night

The Republican National Committee's chief strategist Sean Spicer backed Trump up and said those debates should be rescheduled, though.

'You announced debates being on major NFL games are going, with top teams playing off against each other, and you wonder why people are upset about that,' Spicer said on CNN Saturday morning.

The billionaire businessman said the NFL contacted him to complain, but they deny reaching out.

An NFL spokesman said Saturday: 'While we'd obviously wish the debate commission could find another night, we did not send a letter to Trump.'

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Trump's communications director Steven Miller massaged Trump's claim telling CNN's Brian Stelter on Sunday that the Republican was 'notified by a source close to the NFL.'

Stelter asked then why Trump said during a pre-taped interview with George Stephanopoulos that he had received a physical letter from the professional football governing body.

'I think that, you know, again, it's semantics a little bit here, Brian, but the point is he was notified,' Miller responded.

Stelter wasn't exactly buying it.

'It's not semantics if you send me a letter versus make a phone call,' Stelter said.

A Trump aide had also told CNN Money: 'Mr. Trump was made aware of the conflicting dates by a source close to the league.'

'It's unfortunate that millions of voters will be disenfranchised by these chosen dates,' they added.

Both the NFL and the Commission on Presidential Debates have rejected Trump's assertions.

Trump began by making an accusation in a tweet posted Friday night: 'As usual, Hillary & the Dems are trying to rig the debates so 2 are up against major NFL games. Same as last time w/ Bernie. Unacceptable!'

Trump expanded his conspiracy theory when asked about the debates during an interview for Sunday's 'This Week' on ABC: 'Well, I'll tell you what I don't like. It's against two NFL games. I got a letter from the NFL saying, 'This is ridiculous. Why are the debates against' — 'cause the NFL doesn't wanna go against the debates. 'Cause the debates are gonna be pretty massive, from what I understand, OK?'

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The billionaire businessman said the NFL contacted him to complain, but they deny reaching out

Asked about Trump's assertion, NFL spokesman Brian McCarthy tweeted on Saturday: 'While we'd obviously wish the Debate Commission could find another night, we did not send a letter to Mr Trump.'

A Trump aide said Saturday that the Republican candidate 'was made aware of the conflicting dates by a source close to the league.' The aide was not authorized to speak by name and requested anonymity.

The nonpartisan, independent presidential debate commission serves as the event sponsor and sets the participation criteria, dates, sites and formats. The sites and dates for three presidential debates were announced in September 2015.

'The CPD did not consult with any political parties or campaigns in making these decisions,' the commission said in a statement issued Saturday.

Two of the three debates will be televised at the same time as an NFL game. On Sept. 26, the night of the first debate, ESPN will carry the Monday night game featuring the Falcons vs. the Saints. On Oct. 9, the second debate will air opposite the Sunday night game featuring the Giants vs. the Packers on NBC.

The Democratic Party was criticized during the primary race for scheduling debates between Clinton and Sen. Bernie Sanders on Saturday nights and holiday weekends, times when viewership is low. The Sanders campaign suggested that was an effort to limit the size of the audience.

Trump told ABC: 'You know, Hillary Clinton wants to be against the NFL. She doesn't — maybe like she did with Bernie Sanders, where they were on Saturday nights when nobody's home.'

In the ABC interview, Trump said three debates were 'fine' and that he'd rather have three than one.